License problems are most often caused by one thing: Your RBS Server is being blocked from contacting our Activation Server and/or Server Locator and/or License Server, even if intermittently. This problem is being caused by something outside our software. Read the following info and contact your firewall, router, or antivirus vendor.

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There is a seven day grace period built into the RBS Server during which it will continue to operate normally without making contact with its license server.

Your RBS Server must communicate regularly on port 3495 with our server at ddns.rbsnet.net or our authentication server on activate.remote-backup.com.

This can be caused by a firewall or antivirus or anti-malware, or by manually intervening somehow to prevent the communication. The programs that need to communicate outbound are: rbs.exe, rbsmgr.exe, rbregister.exe, enotify.exe, and rbsupdate.exe.

These need to communicate on port 3495 and port 80 to: auth.remote-backup.com and ddns.rbsnet.net.

We recommend adding exceptions for these programs and ports. Allow the .EXE files to communicate outbound with whatever server they want, whenever they want.

We don't think reinstalling the software on the same computer will fix it, but you can try. You may also try installing it on a different computer, even on a different network. You will have to first transfer the license to another computer using the following link: